Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/445,942external-prioritypatent/US7177075B2/en
Application filed by Deron Simpson, Lisa Y Winckler, Ronald L SprakerfiledCriticalDeron Simpson
Publication of TW200428929ApublicationCriticalpatent/TW200428929A/zh
Application grantedgrantedCritical
Publication of TWI351251BpublicationCriticalpatent/TWI351251B/zh